package cn.tfyhyc.springcloud.service;

import org.apache.ibatis.annotations.Param;

/**
 * @author 头发又黑又长
 * @Date 2022/10/30 15:54
 * @email zwb15083976291@163.com
 */
public interface StorageService {
    /*扣减库存*/
    void decrease(Long productId, Integer count);
}
